CN108105916A - A kind of airport shelter bridge air-conditioner set and its control method - Google Patents
A kind of airport shelter bridge air-conditioner set and its control method Download PDFInfo
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- CN108105916A CN108105916A CN201711432861.7A CN201711432861A CN108105916A CN 108105916 A CN108105916 A CN 108105916A CN 201711432861 A CN201711432861 A CN 201711432861A CN 108105916 A CN108105916 A CN 108105916A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 238000004378 air conditioning Methods 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 239000002274 desiccant Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 16
- 230000005494 condensation Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
- F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention discloses a kind of airport shelter bridge air-conditioner set and its control method, which includes air-conditioning system, control system, frame structure air-conditioning box, multistage multistage refrigerating plant and the vaporation-type cooling system being located in frame structure air-conditioning box；Vaporation-type cooling system includes spray chamber, water collector and packing layer；Packing layer is located in spray chamber；The condenser group of multistage multistage refrigerating plant is located in spray chamber, above packing layer；Water collector is located on the inside of the condenser group of multistage multistage refrigerating plant；Spray chamber sets air inlet on the outside of the condenser group of multistage multistage refrigerating plant, and air outlet is set in the inside of water collector.The present invention sets vaporation-type cooling system to carry out water side and air side cooling to the condenser group of multistage multistage refrigerating plant, reduce the condensing pressure and condensation temperature of refrigeration system, reduce comprehensive compression ratio, Energy Efficiency Ratio is improved, it is accurate to have the advantages that facility compact, various, the energy-efficient, temperature of operation flexible for installation control.
Description
Technical field
The invention belongs to aircraft earth surface air-conditioning technical fields, and in particular to a kind of airport shelter bridge air-conditioner set and its control
Method processed.
Background technology
At present, existing aircraft floor air conditioner group, directly evaporation system of the all-fresh air air by the refrigeration system of unit
After cold or electric heater heats, aircraft cabin is sent by aircraft air condition air outlet through adiabatic delivery hose and quick coupling
And driver's cabin, the aircraft to rest in airport provide the cooling air of treated certain flow, temperature, pressure.
Traditional airport generally exchanges heat to the condenser of refrigeration system using air cooling way with shelter bridge air-conditioner set,
However air-cooled condensation temperature is high, the evaporating temperature of use occasion requirement is low, thus causes the pressure ratio that refrigeration system is run big, fortune
Row efficiency is poor, increases energy consumption, and operating cost is high；Meanwhile all-fresh air becomes cold air distribution after cooling down processing, in the process
Generated a large amount of condensation waters are directly drained, and fail effectively to be recycled, and the wasting of resources is excessive.
As it can be seen that the prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the shortcomings of the prior art, it is empty with shelter bridge it is an object of the invention to provide a kind of airport
Unit and its control method are adjusted, water side can be carried out to the condenser group of multistage multistage refrigerating plant and air side cools down, effectively
The condensing pressure and condensation temperature of refrigeration system are reduced, reduces comprehensive compression ratio, improves Energy Efficiency Ratio, there is facility compact, installation
Versatile and flexible, the advantages of operation energy-efficient, temperature control is accurate.
In order to realize the technical purpose mentioned above arrived, this invention takes following technical schemes：
A kind of airport shelter bridge air-conditioner set is more including air-conditioning system, control system, frame structure air-conditioning box, multistage
Grade refrigeration system, the frame structure air-conditioning box are equipped with axial flow blower, and the air-conditioning system includes air passage and is arranged on
High pressure blower group in air passage, the evaporator group of the multistage multistage refrigerating plant are arranged on inside air passage, the air-conditioner set
Further include the vaporation-type cooling system being arranged on inside frame structure air-conditioning box；The vaporation-type cooling system include spray chamber,
Water collector and packing layer；Described filler layer is arranged on the inside of spray chamber；The condenser group of the multistage multistage refrigerating plant
It is arranged on inside spray chamber, above packing layer；The water collector is arranged on the inside of the condenser group of multistage multistage refrigerating plant；
The spray chamber sets air inlet on the outside of the condenser group of multistage multistage refrigerating plant, and outlet air is set in the inside of water collector
Mouthful.
With in shelter bridge air-conditioner set, the air passage includes the first air passage and the second air passage, the high pressure on the airport
Import, the outlet of blower unit are correspondingly connected to the first air passage, the second air passage, and it is more that the multistage multistage refrigerating plant includes leading portion
Grade refrigeration system and back segment multistage refrigerating plant, the evaporator group of leading portion multistage refrigerating plant are arranged on the first air passage, and back segment is more
The evaporator group of grade refrigeration system is arranged on the second air passage.
With in shelter bridge air-conditioner set, the air-conditioner set further includes condensed-water recovering device on the airport；It is described solidifying
Between the import of evaporator group and high pressure blower group that the water inlet for bearing water retracting device is located at leading portion multistage refrigerating plant and
The bottom in the first air passage is communicated in, the water outlet of condensed-water recovering device is connected to spray chamber.
With in shelter bridge air-conditioner set, the air-conditioner set further includes defroster on the airport；The defroster
It is arranged on inside frame structure air-conditioning box, before the import in air passage, defroster includes heater, preceding temperature sensor, rear temperature
Sensor；The preceding temperature sensor and rear temperature sensor are correspondingly arranged at the front side of heater, rear side.
The airport is in shelter bridge air-conditioner set, and the control system includes system for detecting temperature and center control is
System；The system for detecting temperature include for detect ambient temperature first sensor, for detect through leading portion multi-stage refrigerating system
Unite new air temperature after cooling second sensor, for detect high pressure blower group outlet new air temperature the 3rd sensing
Device, for detect wind pushing temperature the 4th sensor, for the 5th sensor that detects spray chamber leaving air temp and for examining
Survey the 6th sensor of frame structure air-conditioning the temperature inside the box.
A kind of airport as described above control method of shelter bridge air-conditioner set, specifically comprises the following steps：
Step A：Start central control system, set the setting value Tk of wind pushing temperature and non-negative parameter Ta, Tb, Tc, and Ta ＜
Tb ＜ Tc;
Step B：System for detecting temperature works, and first sensor detection ambient temperature is t0, and preceding temperature sensor detects antifreeze dress
Inlet temperature is put as t1, rear temperature sensor detection defroster outlet temperature is t2, and second sensor detects the multistage system of leading portion
The new air temperature in outlet of cooling system is t3, sets the outlet fresh air temperature settings of leading portion multistage refrigerating plant as T3, and the 3rd passes
The new air temperature of sensor detection high pressure blower group outlet is t4, and the 4th sensor detects wind pushing temperature as t5, the 5th sensor
The leaving air temp of spray chamber is detected as t6, sets the leaving air temp setting value of spray chamber as T6, the 6th sensor detection framework knot
Temperature in structure air-conditioning box is t7, and the temperature settings in frame structure air-conditioning box are T7, and the temperature value of detection is transmitted
To central control system；
Step C：Magnitude relationship between central control system comparative analysis t1 and t0-Ta, t0-Tb, t0-Tc automatically selects fortune
Row pattern --- dehumidifying and cooling operational mode or ventilation operational mode, control multistage multistage refrigerating plant, defroster, axis stream wind
Machine, spray chamber, the operation of high pressure blower group or stop working state.
In control method of the airport with shelter bridge air-conditioner set, when step C selection dehumidifying and cooling operation moulds
During formula, if t1 >=t0-Ta, run according to step D1：
Step D1：The compressor set of multistage multistage refrigerating plant all starts, and defroster remains shut off state, high pressure blower
Group, axial flow blower and spray chamber start operation；
If t0-Tb ＜ t1 ＜ t0-Ta, run according to step D2：
Step D2：Leading portion multistage refrigerating plant starts, and back segment multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation；
If t0-Tc ＜ t1≤t0-Tb, run according to step D3：
Step D3：Back segment multistage refrigerating plant starts, and leading portion multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation.
In control method of the airport with shelter bridge air-conditioner set, when the step C selects ventilation operational mode,
T1≤t0-Tc is then run according to step D4：
Step D4：Multistage multistage refrigerating plant, axial flow blower and spray chamber are not run, and high pressure blower group and defroster start
Operation.
In control method of the airport with shelter bridge air-conditioner set, the air-conditioner set is in desiccant cooling operational mode
During work, central control system ensures that wind pushing temperature reaches in the range of control accuracy as follows：
Step E1：If under conditions of meeting t1 ＞ t0-Tb, central control system judges that the size of t3 and T3-0.5, T3+0.5 are closed
System；If t3 ＞ T3+0.5, step E11 is performed；If T3-0.5≤t3≤T3+0.5, step E12 is performed；If t3 ＜ T3-0.5, hold
Row step E13；
Step E11：Leading portion multistage refrigerating plant load operating ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step E12：Leading portion multistage refrigerating plant keeps operating mode operation；
Step E13：The unloading operation of leading portion multistage refrigerating plant, ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step F1：Central control system judges the magnitude relationship of t6 and T6；If t6 ＞ T6 increase the water circulating pump stream of spray chamber
Amount；If t6 ＜ T6 reduce the flow of the water circulating pump of spray chamber；
Step G1：Central control system judges the magnitude relationship of t7 and T7；If t7 ＞ T7 increase the exhaust air rate of axial flow blower；If
T7 is less than T7, reduces the exhaust air rate of axial flow blower；
Step H1：If meeting t1 >=t0-Ta or t1≤t0-Tb, central control system judges that the size of t5 and Tk-1, Tk+1 are closed
System；If t5 ＞ Tk+1, step H11 is performed；If Tk-1≤t5≤Tk+1, step H12 is performed；If t5 ＜ Tk-1, step is performed
H13；
Step H11：Back segment multistage refrigerating plant load operating ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step H12：Back segment multistage refrigerating plant keeps operating mode operation；
Step H13：The unloading operation of back segment multistage refrigerating plant, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
In control method of the airport with shelter bridge air-conditioner set, the air-conditioner set is in ventilation run-mode
When, central control system ensures that wind pushing temperature reaches in the range of control accuracy as follows：
Step E2：Central control system judges the magnitude relationship of wind pushing temperature t5 and Tk-1, Tk+1；If t5 ＞ Tk+1, perform step
Rapid E21；If Tk-1≤t5≤Tk+1, step E22 is performed；If t5 ＜ Tk-1, step E23 is performed；
Step E21：The heating power of defroster is reduced, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step E22：Defroster keeps operating mode operation；
Step E23：Increase the heating power of defroster, ensure wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
Advantageous effect：
The present invention provides a kind of airport shelter bridge air-conditioner set and its control method, by setting vaporation-type cooling system pair
The condenser group of multistage multistage refrigerating plant carries out the cooling of water side and air side cooling, strengthens the cooling effect to condenser group,
The condensing pressure and condensation temperature of refrigeration system high pressure side are effectively reduced, using the multistage directly evaporation mode of multistage to the complete of air passage
Fresh air carries out dehumidifying and cooling, can effectively reduce the comprehensive compression ratio of unit, improves the comprehensive energy efficiency ratio of unit.
The water endothermic gasification sprayed by the spray chamber of vaporation-type cooling system takes away the heat of condenser group, and
The cold wind come in from the external world passes through the heat of spray chamber, before this absorptive condenser group, and transfers heat to water, is effectively dropped
Temperature inside frame structure air-conditioning box, with internal high temperature air heat-exchange, cools down inside, it is ensured that internal machine
Device equipment normal operation.Compared with traditional aircraft floor air conditioner group, the present invention combines air side and the water side type of cooling is real
The refrigerant of existing condenser group is condensed and cooled down using spray mode to extraneous cold wind, obtains the cold of lower condenser group
Solidifying temperature and lower frame structure air-conditioning box internal temperature.In addition, condensed-water recovering device is set, in all-fresh air through dehumidifying
A large amount of condensation waters can be generated after cooling processing, the recycling of condensation water is carried out, is transported to spray chamber, as supplement water
Resources effective utilization and energy saving is realized in source.
Description of the drawings
Fig. 1 is the inside left figure of shelter bridge air-conditioner set in airport provided by the invention.
Fig. 2 is the inside front view of shelter bridge air-conditioner set in airport provided by the invention.
Fig. 3 is the inside top figure of shelter bridge air-conditioner set in airport provided by the invention.
Fig. 4 is the step flow chart of the control method of shelter bridge air-conditioner set in airport provided by the invention.
Specific embodiment
The present invention provides a kind of airport shelter bridge air-conditioner set and its control method, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, specific embodiment described herein only to explain the present invention, are not intended to limit the present invention.
In the description of the present invention, it is to be understood that it is to be appreciated that term "left", "right", " interior ", " outer ",
The orientation or position relationship of the instructions such as "front", "rear" are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
It states the present invention and simplifies description.In addition, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th ", " the 6th " are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
It please refers to Fig.1, Fig. 2 and Fig. 3, the present invention provides a kind of airport shelter bridge air-conditioner set, including air-conditioning
System, control system, frame structure air-conditioning box 1, multistage multistage refrigerating plant, frame structure air-conditioning box 1 are equipped with axial flow blower
2, air-conditioning system includes air passage and the high pressure blower group 10 being arranged in air passage, the evaporator of multistage multistage refrigerating plant
Group is arranged on inside air passage, which further includes the vaporation-type cooling system being arranged on inside frame structure air-conditioning box 1；It steams
Hairdo cooling system includes spray chamber 3, water collector 4 and packing layer 5；Packing layer 5 is arranged on the inside of spray chamber 3；Multistage is more
The condenser group 61 of grade refrigeration system is arranged on inside spray chamber 3,5 top of packing layer；Water collector 4 is arranged on the multistage system of multistage
61 inside of condenser group of cooling system；Spray chamber 3 sets air inlet in 61 outside of condenser group of multistage multistage refrigerating plant,
The inside of water collector 4 sets air outlet, and completion heat exchange in spray chamber 3 is entered according to C directions for the extraneous cold wind of heat dissipation,
Through after spray chamber 3, into frame structure air-conditioning box 1, heat caused by internal unit machine operation, last warp beam are taken away
Flow fan 2 flows to the external world.Vaporation-type cooling system is arranged on the both sides in air passage.
Wherein A is the direction that extraneous all-fresh air enters air-conditioner set, and B is all-fresh air from the direction that air-conditioner set comes out, C
Enter the direction of spray chamber for the extraneous cold wind of heat transmission, D is cold wind from the direction that axial flow blower exports.3 top of spray chamber is set
It is equipped with water distribution system（It is not shown in figure）, water distribution system evenly distributes water in spray chamber 3, sprays from top to bottom.Extraneous cold wind
Enter from the air inlet of spray chamber 3, exchange heat in spray chamber 3 with the condenser group 61 of multistage multistage refrigerating plant, shower water, after
Flow into frame structure air-conditioning box 1 by water collector 4, take away internal machinery equipment work caused by heat, pass through axis stream
Wind turbine 2 flows out.61 one side of condenser group of multistage multistage refrigerating plant and spray and under water exchange heat, condenser group 61 it is outer
The heat of the refrigerant of flowing in surface moisture film absorptive condenser group 61, evaporation form vapor, complete water side cooling work；Separately
On the one hand exchange heat with extraneous cold wind, complete air side cooling.Two ways is cooled down with reference to the cooling of water side and air side, to condenser
Group 61 is efficiently cooled down, and effectively reduces the on high-tension side condensing pressure of condenser group and condensation temperature, in condensation process
In, from the limitation of extraneous cold wind temperature, it can effectively reduce the compression ratio of compressor set.In addition, extraneous cold wind is changed with shower water
Heat, temperature are declined, and can more efficiently reduce the temperature inside frame structure air-conditioning box 1, are carried for internal machinery equipment
For suitable operating temperature.Extraneous cold wind can pass through the water collector 4 with steam-water separation effect before spray chamber 3 is discharged, will
Water droplet entrained by cold wind is separated with air, reduces the effusion water loss of spray chamber 3.Packing layer 5 is set in spray chamber 3,
Toward flowing down after the condenser group 61 of shower water and multistage multistage refrigerating plant exchanges heat, packing layer 5 is flow to, in the more of packing layer 5
Pore structure exchanges heat when flowing, and realizes water cooling.
According to demand, multiple axial flow blowers can be set, be preferably provided with the first axial flow blower 21, second in the present invention
Axial flow blower 22, the 3rd axial flow blower 23.Multistage multistage refrigerating plant includes condenser group, compressor set, evaporator group, throttling
Device is realized and carries out cooling down to all-fresh air.
Specifically, air passage includes the first air passage 91 and the second air passage 92, the import of high pressure blower group 10 are connected to first
Air passage 91, the outlet of high pressure blower group 10 are connected to the second air passage 92, and multistage multistage refrigerating plant includes leading portion multi-stage refrigerating
System and back segment multistage refrigerating plant, the evaporator group 64 of leading portion multistage refrigerating plant are arranged on the first air passage 91, and back segment is multistage
The evaporator group 65 of refrigeration system is arranged on the second air passage 92.All-fresh air passes through leading portion multistage refrigerating plant in the first air passage 91
Dehumidifying and cooling processing, temperature humidity declined, defeated then by the work of the motor 101 of high pressure blower group 10
It send to the second air passage 92, using the further cooling of back segment multistage refrigerating plant, to reach air-supply requirement.
Further, which further includes condensed-water recovering device 8；The water inlet of condensed-water recovering device 8 is located at
Between the import of the evaporator group 64 and high pressure blower group 10 of leading portion multistage refrigerating plant and it is communicated in the bottom in the first air passage 91
Portion, the water outlet of condensed-water recovering device 8 are connected to spray chamber 3.Damp and hot all-fresh air enters the first air passage 91, is dropped by dehumidifying
Wen Houhui condensation condensation waters, the condensation water installations 8 positioned at 91 bottom of the first air passage by condensate water collecting and are delivered to spray
The water extraction of cistern is delivered to the water distribution system of spray chamber 3 by the cistern of 3 bottom of room, the water circulating pump of spray chamber 3.Condensation
Water installations 8 can effectively by remaining condensate-water polishing in the first air passage 91 and efficiently use, and send to spray chamber 3 as supplement
Water realizes water resource Recycling in unit running process, water consumption is reduced, so as to reduce operating cost.
Further, which further includes defroster 7；Defroster 7 is arranged in frame structure air-conditioning box 1
Portion, air passage import before, defroster 7 include heater, preceding temperature sensor, rear temperature sensor；Preceding temperature sensor is set
It puts in the front side of heater, rear temperature sensor is arranged on the rear side of heater.When ambient temperature is too low, multistage multi-stage refrigerating system
System need not be run, to meet air-supply requirement, it is necessary to the work of defroster 7.The detection of preceding temperature sensor from external environment into
The temperature of the all-fresh air come, if ambient temperature opens defroster 7, heater running, to brand-new less than the setting value of air-supply
Wind heats up, and then temperature sensor detects the temperature of the all-fresh air after heated device heating, and cooperation control system is to heating
Device carries out power regulation, to confirm that the brand-new air temperature after heating meets air-supply requirement,.
Specifically, control system includes system for detecting temperature and central control system 11；System for detecting temperature includes being used for
Detect the first sensor of ambient temperature, for second sensing of the detection through leading portion multistage refrigerating plant new air temperature after cooling
Device, for detect high pressure blower group 10 outlet new air temperature 3rd sensor, for detect the 4th of wind pushing temperature the biography
Sensor, for the 5th sensor that detects 3 leaving air temp of spray chamber and for temperature in detection framework structure air-conditioning box 1
6th sensor.System for detecting temperature is electrically connected with central control system 11, in realizing that the temperature value detected is sent to
Control system is entreated, central control system 11 regulates and controls the machinery equipment of unit.In addition, the air-conditioner set also sets up humidity inspection
Examining system, smoke detection system etc. to ensure that air-conditioner set can be safely and steadily run, avoid that serious accident occurs.In
Control system 11 is entreated to be mounted on outside frame structure air-conditioning box 1, air-supply valve 12 is provided on air supply duct.The air-conditioner set
Whole embedded tendons skeleton high pressure polyurethane foaming technique is employed, carries out high pressure resistant and heat-insulation and heat-preservation, prevent that cold bridge occurs and is let out
Dew.
The air-conditioner set facility compact, it is flexible for installation various, it can be achieved that ground installation, shelter bridge hanging installation, can be used top
The heat dissipation exhausts modes such as portion's heat extraction, bottom heat extraction, end heat extraction have the advantages that energy-efficient, reliable and stable, control is accurate.
The invention also discloses a kind of control method of airport as described above shelter bridge air-conditioner set, specifically include as
Lower step：
Step A：Start central control system, set the setting value Tk of wind pushing temperature and non-negative parameter Ta, Tb, Tc, and Ta ＜
Tb ＜ Tc；
Step B：System for detecting temperature works, and first sensor detection ambient temperature is t0, and preceding temperature sensor detects antifreeze dress
Inlet temperature is put as t1, rear temperature sensor detection defroster outlet temperature is t2, and second sensor detects the multistage system of leading portion
The new air temperature in outlet of cooling system is t3, sets the outlet fresh air temperature settings of leading portion multistage refrigerating plant as T3, and the 3rd passes
The new air temperature of sensor detection high pressure blower group outlet is t4, and the 4th sensor detects wind pushing temperature as t5, the 5th sensor
The leaving air temp of spray chamber is detected as t6, sets the leaving air temp setting value of spray chamber as T6, the 6th sensor detection framework knot
Temperature in structure air-conditioning box is t7, and the temperature settings in frame structure air-conditioning box are T7, and the temperature value of detection is transmitted
To central control system；
Step C：Magnitude relationship between central control system comparative analysis t1 and t0-Ta, t0-Tb, t0-Tc automatically selects fortune
Row pattern --- dehumidifying and cooling operational mode or ventilation operational mode, control multistage multistage refrigerating plant, defroster, axis stream wind
Machine, spray chamber, the operation of high pressure blower group or stop working state.
Specifically, when step C selects dehumidifying and cooling operational mode, if t1 >=t0-Ta, run according to step D1：
Step D1：The compressor set of multistage multistage refrigerating plant all starts, and defroster remains shut off state, high pressure blower
Group, axial flow blower and spray chamber start operation；
If t0-Tb ＜ t1 ＜ t0-Ta, run according to step D2：
Step D2：Leading portion multistage refrigerating plant starts, and back segment multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation；
If t0-Tc ＜ t1≤t0-Tb, run according to step D3：
Step D3：Back segment multistage refrigerating plant starts, and leading portion multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation.
Specifically, when step C selects ventilation operational mode, t1≤t0-Tc is then run according to step D4：
Step D4：Multistage multistage refrigerating plant, axial flow blower and spray chamber are not run, and high pressure blower group and defroster start
Operation.
Specifically, in desiccant cooling run-mode, central control system ensures air-conditioner set as follows
Wind pushing temperature reaches in the range of control accuracy：
Step E1：If under conditions of meeting t1 ＞ t0-Tb, central control system judges that the size of t3 and T3-0.5, T3+0.5 are closed
System；If t3 ＞ T3+0.5, step E11 is performed；If T3-0.5≤t3≤T3+0.5, step E12 is performed；If t3 ＜ T3-0.5, hold
Row step E13；
Step E11：Leading portion multistage refrigerating plant load operating ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step E12：Leading portion multistage refrigerating plant keeps operating mode operation；
Step E13：The unloading operation of leading portion multistage refrigerating plant, ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step F1：Central control system judges the magnitude relationship of t6 and T6；If t6 ＞ T6 increase the water circulating pump stream of spray chamber
Amount；If t6 ＜ T6 reduce the flow of the water circulating pump of spray chamber；
Step G1：Central control system judges the magnitude relationship of t7 and T7；If t7 ＞ T7 increase the exhaust air rate of axial flow blower；If
T7 is less than T7, reduces the exhaust air rate of axial flow blower；
Step H1：If meeting t1 >=t0-Ta or t1≤t0-Tb, central control system judges that the size of t5 and Tk-1, Tk+1 are closed
System；If t5 ＞ Tk+1, step H11 is performed；If Tk-1≤t5≤Tk+1, step H12 is performed；If t5 ＜ Tk-1, step is performed
H13；
Step H11：Back segment multistage refrigerating plant load operating ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step H12：Back segment multistage refrigerating plant keeps operating mode operation；
Step H13：The unloading operation of back segment multistage refrigerating plant, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
Specifically, when divulging information run-mode, central control system ensures to blow as follows air-conditioner set
Temperature reaches in the range of control accuracy：
Step E2：Central control system judges the magnitude relationship of wind pushing temperature t5 and Tk-1, Tk+1；If t5 ＞ Tk+1, perform step
Rapid E21；If Tk-1≤t5≤Tk+1, step E22 is performed；If t5 ＜ Tk-1, step E23 is performed；
Step E21：The heating power of defroster is reduced, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step E22：Defroster keeps operating mode operation；
Step E23：Increase the heating power of defroster, ensure wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
In conclusion the present invention provides a kind of airport shelter bridge air-conditioner sets and its control method, steamed by setting
Hairdo cooling system carries out water side cooling to the condenser group of multistage multistage refrigerating plant and air side cools down, and strengthens to condenser
The cooling effect of group effectively reduces the condensing pressure and condensation temperature of refrigeration system high pressure side, is directly evaporated using multistage is multistage
Mode carries out dehumidifying and cooling to the all-fresh air in air passage, can effectively reduce the comprehensive compression ratio of unit, improves the comprehensive energy efficiency of unit
Than.
The water endothermic gasification sprayed by the spray chamber of vaporation-type cooling system takes away the heat of condenser group, and
The cold wind come in from the external world passes through the heat of spray chamber, before this absorptive condenser group, and transfers heat to water, is effectively dropped
Temperature inside frame structure air-conditioning box, with internal high temperature air heat-exchange, cools down inside, it is ensured that internal machine
Device equipment normal operation.Compared with traditional aircraft floor air conditioner group, the present invention combines air side and the water side type of cooling is real
The refrigerant of existing condenser group is condensed and cooled down using spray mode to extraneous cold wind, obtains the cold of lower condenser group
Solidifying temperature and lower frame structure air-conditioning box internal temperature.In addition, condensed-water recovering device is set, in all-fresh air through dehumidifying
A large amount of condensation waters can be generated after cooling processing, the recycling of condensation water is carried out, is transported to spray chamber, as supplement water
Resources effective utilization and energy saving is realized in source.
It is understood that for those of ordinary skills, it can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (10)
1. a kind of airport shelter bridge air-conditioner set, including air-conditioning system, control system, frame structure air-conditioning box, multistage
Multistage refrigerating plant, the frame structure air-conditioning box are equipped with axial flow blower, and the air-conditioning system includes air passage and setting
High pressure blower group in air passage, the evaporator group of the multistage multistage refrigerating plant are arranged on inside air passage, and feature exists
In further including the vaporation-type cooling system being arranged on inside frame structure air-conditioning box；The vaporation-type cooling system includes spray
Room, water collector and packing layer；Described filler layer is arranged on the inside of spray chamber；The condenser of the multistage multistage refrigerating plant
Group is arranged on inside spray chamber, above packing layer；The water collector is arranged in the condenser group of multistage multistage refrigerating plant
Side；The spray chamber sets air inlet on the outside of the condenser group of multistage multistage refrigerating plant, is set in the inside of water collector
Air outlet.
2. airport according to claim 1 shelter bridge air-conditioner set, which is characterized in that the air passage includes the first air passage
With the second air passage, import, the outlet of the high pressure blower group are correspondingly connected to the first air passage, the second air passage, and the multistage is more
Grade refrigeration system includes leading portion multistage refrigerating plant and back segment multistage refrigerating plant, and the evaporator group of leading portion multistage refrigerating plant is set
It puts in the first air passage, the evaporator group of back segment multistage refrigerating plant is arranged on the second air passage.
3. airport according to claim 2 shelter bridge air-conditioner set, which is characterized in that the air-conditioner set further includes solidifying
Bear water retracting device；The water inlet of the condensed-water recovering device is located at the evaporator group and high pressure drum of leading portion multistage refrigerating plant
Between the import of blower fan group and the bottom in the first air passage is communicated in, the water outlet of condensed-water recovering device is connected to spray chamber.
4. airport according to claim 2 shelter bridge air-conditioner set, which is characterized in that the air-conditioner set further includes anti-
Freeze device；The defroster is arranged on inside frame structure air-conditioning box, before the import in air passage, defroster include heater,
Preceding temperature sensor, rear temperature sensor；Before the preceding temperature sensor and rear temperature sensor are correspondingly arranged at heater
Side, rear side.
5. airport according to claim 4 shelter bridge air-conditioner set, which is characterized in that the control system includes temperature
Detecting system and central control system；The system for detecting temperature includes detecting the first sensor of ambient temperature, being used for
Detection the second sensor through leading portion multistage refrigerating plant new air temperature after cooling, for detect high pressure blower group outlet
The 3rd sensor of new air temperature, for detect wind pushing temperature the 4th sensor, for detect spray chamber leaving air temp the
Five sensors and the 6th sensor for detection framework structure air-conditioning the temperature inside the box.
6. a kind of control method of airport as claimed in claim 5 shelter bridge air-conditioner set, which is characterized in that including as follows
Step：
Step A：Start central control system, set the setting value Tk of wind pushing temperature and non-negative parameter Ta, Tb, Tc, and Ta ＜
Tb ＜ Tc;
Step B：System for detecting temperature works, and first sensor detection ambient temperature is t0, and preceding temperature sensor detects antifreeze dress
Inlet temperature is put as t1, rear temperature sensor detection defroster outlet temperature is t2, and second sensor detects the multistage system of leading portion
The new air temperature in outlet of cooling system is t3, sets the outlet fresh air temperature settings of leading portion multistage refrigerating plant as T3, and the 3rd passes
The new air temperature of sensor detection high pressure blower group outlet is t4, and the 4th sensor detects wind pushing temperature as t5, the 5th sensor
The leaving air temp of spray chamber is detected as t6, sets the leaving air temp setting value of spray chamber as T6, the 6th sensor detection framework knot
Temperature in structure air-conditioning box is t7, and the temperature settings in frame structure air-conditioning box are T7, and the temperature value of detection is transmitted
To central control system；
Step C：Magnitude relationship between central control system comparative analysis t1 and t0-Ta, t0-Tb, t0-Tc automatically selects fortune
Row pattern --- dehumidifying and cooling operational mode or ventilation operational mode, control multistage multistage refrigerating plant, defroster, axis stream wind
Machine, spray chamber, the operation of high pressure blower group or stop working state.
7. the airport according to claim 6 control method of shelter bridge air-conditioner set, which is characterized in that when the step
When C selects dehumidifying and cooling operational mode,
If t1 >=t0-Ta, run according to step D1：
Step D1：The compressor set of multistage multistage refrigerating plant all starts, and defroster remains shut off state, high pressure blower
Group, axial flow blower and spray chamber start operation；
If t0-Tb ＜ t1 ＜ t0-Ta, run according to step D2：
Step D2：Leading portion multistage refrigerating plant starts, and back segment multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation；
If t0-Tc ＜ t1≤t0-Tb, run according to step D3：
Step D3：Back segment multistage refrigerating plant starts, and leading portion multistage refrigerating plant is closed, and defroster remains shut off state, high
Drum pressure blower fan group, axial flow blower and spray chamber start operation.
8. the airport according to claim 6 control method of shelter bridge air-conditioner set, which is characterized in that when the step
During C selection ventilation operational modes, t1≤t0-Tc is then run according to step D4：
Step D4：Multistage multistage refrigerating plant, axial flow blower and spray chamber are not run, and high pressure blower group and defroster start
Operation.
9. the airport according to claim 7 control method of shelter bridge air-conditioner set, which is characterized in that the air conditioner
For group in desiccant cooling run-mode, central control system ensures that wind pushing temperature reaches control accuracy model as follows
In enclosing：
Step E1：If under conditions of meeting t1 ＞ t0-Tb, central control system judges that the size of t3 and T3-0.5, T3+0.5 are closed
System；If t3 ＞ T3+0.5, step E11 is performed；If T3-0.5≤t3≤T3+0.5, step E12 is performed；If t3 ＜ T3-0.5, hold
Row step E13；
Step E11：Leading portion multistage refrigerating plant load operating ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step E12：Leading portion multistage refrigerating plant keeps operating mode operation；
Step E13：The unloading operation of leading portion multistage refrigerating plant, ensures that the new air temperature t3 in outlet of leading portion multistage refrigerating plant exists
Within the temperature range of T3-0.5 to T3+0.5；
Step F1：Central control system judges the magnitude relationship of t6 and T6；If t6 ＞ T6 increase the water circulating pump stream of spray chamber
Amount；If t6 ＜ T6 reduce the flow of the water circulating pump of spray chamber；
Step G1：Central control system judges the magnitude relationship of t7 and T7；If t7 ＞ T7 increase the exhaust air rate of axial flow blower；If
T7 is less than T7, reduces the exhaust air rate of axial flow blower；
Step H1：If meeting t1 >=t0-Ta or t1≤t0-Tb, central control system judges that the size of t5 and Tk-1, Tk+1 are closed
System；If t5 ＞ Tk+1, step H11 is performed；If Tk-1≤t5≤Tk+1, step H12 is performed；If t5 ＜ Tk-1, step is performed
H13；
Step H11：Back segment multistage refrigerating plant load operating ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step H12：Back segment multistage refrigerating plant keeps operating mode operation；
Step H13：The unloading operation of back segment multistage refrigerating plant, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
10. the airport according to claim 8 control method of shelter bridge air-conditioner set, which is characterized in that the air-conditioning
For unit when divulging information run-mode, central control system ensures that wind pushing temperature reaches control accuracy scope as follows
It is interior：
Step E2：Central control system judges the magnitude relationship of wind pushing temperature t5 and Tk-1, Tk+1；If t5 ＞ Tk+1, perform step
Rapid E21；If Tk-1≤t5≤Tk+1, step E22 is performed；If t5 ＜ Tk-1, step E23 is performed；
Step E21：The heating power of defroster is reduced, ensures wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1；
Step E22：Defroster keeps operating mode operation；
Step E23：Increase the heating power of defroster, ensure wind pushing temperature t5 within the temperature range of Tk-1 to Tk+1.
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| CN207936369U (en) * | 2017-12-26 | 2018-10-02 | 广东申菱环境系统股份有限公司 | A kind of airport shelter bridge air-conditioner set |
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2017
- 2017-12-26 CN CN201711432861.7A patent/CN108105916B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065561A (en) * | 2001-08-24 | 2003-03-05 | Yokogawa Electric Corp | Cooling device for radiator |
| CN104406268A (en) * | 2014-11-04 | 2015-03-11 | 广东申菱空调设备有限公司 | Floor type airplane ground air conditioning unit and control method thereof |
| CN104501326A (en) * | 2014-11-12 | 2015-04-08 | 北京百度网讯科技有限公司 | Heat-dissipating system and method |
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